Base | Representation |
---|---|
bin | 100001100010101000… |
… | …1001000111111110101 |
3 | 20212220211102110112120 |
4 | 1003011101020333311 |
5 | 2140003421102324 |
6 | 53031213110153 |
7 | 5126643043263 |
oct | 1030521107765 |
9 | 225824373476 |
10 | 72029081589 |
11 | 286025a2103 |
12 | 11b62488359 |
13 | 6a3b93494a |
14 | 36b42c1433 |
15 | 1d1881a179 |
hex | 10c5448ff5 |
72029081589 has 8 divisors (see below), whose sum is σ = 96041980032. Its totient is φ = 48017785440.
The previous prime is 72029081581. The next prime is 72029081611. The reversal of 72029081589 is 98518092027.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72029081589 - 23 = 72029081581 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72029081581) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291432 + ... + 478529.
It is an arithmetic number, because the mean of its divisors is an integer number (12005247504).
Almost surely, 272029081589 is an apocalyptic number.
It is an amenable number.
72029081589 is a deficient number, since it is larger than the sum of its proper divisors (24012898443).
72029081589 is a wasteful number, since it uses less digits than its factorization.
72029081589 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 801147.
The product of its (nonzero) digits is 725760, while the sum is 51.
The spelling of 72029081589 in words is "seventy-two billion, twenty-nine million, eighty-one thousand, five hundred eighty-nine".
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